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5.09667

Sigma-Aldrich

VprBP Inhibitor, B32B3

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Synonym(s):
VprBP Inhibitor, B32B3, Vpr Binding protein Inhibitor
Empirical Formula (Hill Notation):
C19H17N5S
CAS Number:
Molecular Weight:
347.44
UNSPSC Code:
12352200

Assay

≥98% (HPLC)

Quality Level

form

powder

potency

500 nM IC50

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
protect from light

color

light yellow

solubility

DMSO: 50 mg/mL

storage temp.

2-8°C

General description

A cell permeable, potent, selective, and ATP-competitive inhibitor of Vpr (HIV-1) binding protein (VprBP) that preferentially targets cancer cells expressing VprBP and blocks phosphorylation of H2A at Thr120 (IC50 = 500 nM in DU-145 human prostate cancer cells) and reduces cell proliferation. However, it has minimal effect on normal human prostate MLC cells lacking VprBP. Exhibits over 100-fold greater selectivity for VprBP over a panel of 33 other protein kinases. Shown to reduce xenograft tumor progression in nude mice injected with DU-145 cells (~5 mg/kg, i.p. twice a week for 3 weeks). Displays moderately desirable pharmacokinetic properties with t1/2= 7 h and Cmax of 1 µM.
A cell permeable, potent, selective, and ATP-competitive inhibitor of Vpr (HIV-1) binding protein (VprBP) that preferentially targets cancer cells expressing VprBP and blocks phosphorylation of H2A at Thr120 (IC50 = 500 nM in DU-145 human prostate cancer cells) and reduces cell proliferation. However, it has minimal effect on normal human prostate MLC cells lacking VprBP. Exhibits over 100-fold greater selectivity for VprBP over a panel of 33 other protein kinases. Shown to reduce xenograft tumor progression in nude mice injected with DU-145 cells (~5 mg/kg, i.p. twice a week for 3 weeks). Displays moderately desirable pharmacokinetic properties with t1/2= 7 h and Cmax of 1 µM.

Please note that the molecular weight for this compound is batch-specific due to variable water content.

Biochem/physiol Actions

Cell permeable: yes
Primary Target
VprBP
Reversible: yes

Packaging

Packaged under inert gas

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Kim, K., et al. 2013. Mol. Cell.52, 459.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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